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Review of Analog-Assisted-Digital and Digital-Assisted-Analog Low Dropout Regulators
Huang,Mo1; Lu,Yan1; Martins,Rui P.1,2,3
2021
Source PublicationIEEE Transactions on Circuits and Systems II: Express Briefs
ISSN1549-7747
Volume68Issue:1Pages:24-29
AbstractThe low dropout regulator (LDO) is a key component in power management, providing an accurate and stable output voltage against line/load variations and power supply ripple. From a literature review, we found that conventional analog and digital LDOs still exhibit difficulties to achieve good transient response or power supply rejection under certain scenarios. Therefore, it is straightforward to combine them as a hybrid LDO, enjoying the benefits of both topologies. Then, we can classify the hybrid LDO as analog-assisted-digital (AAD) and digital-assisted-analog (DAA). This brief reviews comparatively previous works on AAD and DAA LDOs, summarizes their pros and cons, and discusses possible application scenarios.
Keywordanalog-assisted-digital digital-assisted-analog Low dropout regulator power supply rejection transient response
DOI10.1109/TCSII.2020.3040393
URLView the original
Language英语
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Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorHuang,Mo
Affiliation1.State Key Laboratory of Analog and Mixed-Signal VLSI,Institute of Microelectronics,FST-ECE,University of Macau,Macao
2.FST-ECE,University of Macau,Macao
3.Instituto Superior Tecnico,Universidade de Lisboa,Lisbon, Lisboa,1049-001,Portugal
First Author AffilicationUniversity of Macau
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Huang,Mo,Lu,Yan,Martins,Rui P.. Review of Analog-Assisted-Digital and Digital-Assisted-Analog Low Dropout Regulators[J]. IEEE Transactions on Circuits and Systems II: Express Briefs,2021,68(1):24-29.
APA Huang,Mo,Lu,Yan,&Martins,Rui P..(2021).Review of Analog-Assisted-Digital and Digital-Assisted-Analog Low Dropout Regulators.IEEE Transactions on Circuits and Systems II: Express Briefs,68(1),24-29.
MLA Huang,Mo,et al."Review of Analog-Assisted-Digital and Digital-Assisted-Analog Low Dropout Regulators".IEEE Transactions on Circuits and Systems II: Express Briefs 68.1(2021):24-29.
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